mwifiex: save sdio register values before firmware dump

This patch saves sdio registers value before firmware dump,
this can be used to find out reason for FW dump.

Signed-off-by: Xinming Hu <huxm@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 4edaaf48259b..6125d1c8ae3a 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -884,6 +884,12 @@ void mwifiex_dump_drv_info(struct mwifiex_adapter *adapter)
                              priv->netdev->name, priv->num_tx_timeout);
         }
 
+        if (adapter->iface_type == MWIFIEX_SDIO) {
+                p += sprintf(p, "\n=== SDIO register DUMP===\n");
+                if (adapter->if_ops.reg_dump)
+                        p += adapter->if_ops.reg_dump(adapter, p);
+        }
+
         p += sprintf(p, "\n=== MORE DEBUG INFORMATION\n");
         debug_info = kzalloc(sizeof(*debug_info), GFP_KERNEL);
         if (debug_info) {